Author Archives: gsmayer

Updates To My DIY Electronic Geocaching Bracelet

After taking the geocaching bracelet that I made on a little field test last weekend, I realized there were a few silly errors in the code I wrote for this gadget. One of the smaller and yet significant errors was … Continue reading

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Updating my Programmable Jam Jar Light for a Camping Trip

A few months ago I created a Jam Jar light with a programmable weatherproof RGB NeoPixel strip from Adafruit. It’s a simple, fun, interactive gadget for short camping trips that helps me see at night. Using a bit of code … Continue reading

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Making a Geocaching Navigation Device

After applying a few minor adjustments to the Adafruit NeoGeo watch Arduino code and a few months of procrastination, I’ve made a device that indicates roughly how far I am from any number of destinations that I set. All of … Continue reading

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Freezing Rain in Downtown Atlanta

Midtown Atlanta today was covered in a layer of ice Wednesday morning. Where I live, near North Avenue and Piedmont, the roads were covered in an icy slush that didn’t seem to be very slippery; the few careful drivers that … Continue reading

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Programming a Jam Jar Light

I’m working on a smiple LED mood light that changes colour based on its orientation to the local magnetic field and uses an accelerometer to switch the power on/off. The little contraption consists of a programmable NeoPixel strip, wired to … Continue reading

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Experimenting with Group Work in On-Line Synchronous Recitations

If you are interested in knowing more about the work I do at Georgia Tech, this is a copy of a presentation (PDF) that I gave at the 2013 Joint Mathematics Meetings in San Diego, CA, about a year ago … Continue reading

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It’s Snowing in Atlanta

It’s snowing in Atlanta, and for the first time since 2011 (that I’m aware of), snow is sticking to the ground. Being from Canada where snow can be found on the ground every year during the winter, the reactions and … Continue reading

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Programming 80’s Bike Lights

I’m working on lights for my bicycle bag that will change colour based on my acceleration and the direction I’m moving in. The extra lights might help drivers see me at night, although the primary goal here is have fun … Continue reading

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A Small Batch of Georgia Peach Jam

I made a nice little batch of peach jam this afternoon using local peaches from Georgia. The simple recipe on the PickYourOwn website I followed has an enormous amount of helpful information beyond the ingredients and steps to follow: it … Continue reading

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Baked Oatmeal Casserole

Heavy rain throughout July 4 in Atlanta made for a day to stay inside and bake. A friend of mine recently shared a recipe for an oatmeal casserole that involved old fashioned oats, wild berries, a banana, and walnuts. Yum. … Continue reading

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